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Finding the Fourth Proportional to 29,581.96, 44,385.94 and 15,538.72

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Solution

The fourth proportional to 29,581.96, 44,385.94 and 15,538.72 is: 23,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,581.96 : 44,385.94 = 15,538.72 : x
  2. Step 2: Convert to fraction form
    29,581.96/44,385.94 = 15,538.72/x
  3. Step 3: Cross multiply
    29,581.96x = 44,385.94 × 15,538.72
  4. Step 4: Simplify right side
    29,581.96x = 689,700,693.60
  5. Step 5: Solve for x
    x = 689,700,693.60/29,581.96
  6. Step 6: Final answer
    x = 23,314.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.